This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE Board.
Question Number 28 Exercise 3E of RS Aggarwal Solution
Here in the Question A man invested an amount at different n% per annum simple interest. Thus he received an amount as annual interest. he would have received n Rs less as interest. what amount did he invest at different rates.
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A man invested an amount at 10% per annum and another amount at 8% per annum simple interest. Thus, he received Rs 1350 as annual interest. Had he interchanged the amounts invested, he would have received Rs 45 less as interest. what amounts did he invest at different rates?
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